A gas cylinder of 20dm^3 is filled with X gas the mass of which is 10g.When the same cylinder is filled with hydrogen gas at STP the mass of hydrogen is 2g,hence find the relative molecular mass of the gas
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A gas cylinder of capacity of 20 dm3 filled with gas X the mass of which is 10 g. 'when the same cylinder is filled with hydrogen gas at the same temperature and pressure the mass of the hydrogen is 2 g, hence the relative molecular mass of the gas is: 5. 10.
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